1、查詢單條最新的記錄
select * from table order by create_time limit 1;
2、查詢多條的最新記錄
單表查詢:
select type, max(create_time) from table
group by type
多表查詢:
select t1.*, t2.create_time, t2.type from (
select type, max(create_time)
from table
group by type) t1
left join table2 t2 on t1.id = t1.id
------ 新手隨筆,如有錯誤歡迎指出;有更好的方法也歡迎大家評論區留言,感謝大佬